snakewort

Names and Synonyms

Common Names

• snakewort
• wart flower

Scientific Names

Accepted name

Synonyms

• Dorstenia quadrangularis var. pinnatifida
• Dorstenia contrajerva var. houstonii
• Dorstenia quadrangularis var. sinuata
• Dorstenia contrajerva var. maculata
• Dorstenia contrajerva subsp. tenuiloba
• Dorstenia contrajerva var. tenuiloba
• Dorstenia alexiteria
• Dorstenia houstonii
• Dorstenia maculata
• Dorstenia quadrangularis

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant, known as Dorstenia contrajerva, belongs to the kingdom Plantae and the phylum Streptophyta. It is classified under the class Equisetopsida and the subclass Magnoliidae within the order Rosalales. Finally, it is a member of the family Moraceae and the genus Dorstenia.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a remarkably wide and fragmented geographical distribution across several global regions. In Eastern Asia, it can be found specifically within the Ogasawara-shoto islands. Its range extends into the Indian Subcontinent, where it is documented in India, and into Indo-China, particularly in Vietnam. Within the Malesia region, the species is present in Jawa. Surprisingly, the plant also reaches as far west as the Southeastern United States, specifically in Florida.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Dorsetnia contrajerba is characterized by its presence within forest ecosystems, where it thrives across a significant altitudinal gradient. This species demonstrates remarkable adaptability to varying topographical conditions, occupying an elevational range that extends from sea level (0 m AMSL) up to a maximum altitude of 2000 m AMSL. This broad distribution allows the plant to inhabit diverse forest strata and microclimates found throughout these varying elevations.

Elevational range max:

2000 m AMSL

Elevational range min:

0 m AMSL

Habitat :

forest

Life history

The life history of Dorsetnia contrajerba is characterized by its nature as a perennial organism, allowing it to persist through multiple growing seasons and maintain a long-term presence within its ecological niche. Throughout its developmental stages, the plant maintains an evergreen habit, ensuring that its foliage remains functional and photosynthetic year-round rather than undergoing a seasonal shedding period. This combination of a multi-year life cycle and constant leaf retention enables the species to sustain continuous physiological activity and adapt to its specific environmental conditions over an extended duration.

Deciduousness :

evergreen

Lifecycle :

perennial

Morphology

The morphology of Dorsetnia contrajerba is characterized by its growth form as a non-woody herb, specifically classified as a forb. This plant is a self-supporting species, meaning it does not function as a liana, vine, or climber, nor does it exhibit epiphytic behavior, remaining strictly terrestrial. It grows as an independent organism without parasitic tendencies and typically reaches a mean plant height of approximately 0.3 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

forb

Parasite :

independent

Plant height mean:

0.3 m

Woodiness :

non-woody

Physiology

The physiology of Dorsetnia contrajerva is characterized by a specific metabolic framework optimized for its environmental niche. The plant utilizes a C3 photosynthetic pathway, which involves the direct fixation of atmospheric carbon dioxide through the Calvin cycle without the specialized anatomical adaptations seen in C4 or CAM species. Furthermore, regarding its nutrient acquisition capabilities, the species does not function as a nitrogen fixer, meaning it lacks the symbiotic relationship with nitrogen-fixing bacteria required to convert atmospheric nitrogen into usable forms, relying instead on the uptake of nitrogenous compounds present in the soil.

Nitrogen fixer :

no

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Dorstenia contrajerva has 2 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include CATECHIN, Epicatechin.

CATECHIN

1. Fitoterapia

Epicatechin

1. Fitoterapia

Conditions

Dorstenia contrajerva has 3 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include Giardia lamblia, cutaneous leishmaniasis, dysentery.

Giardia lamblia

1. Journal of ethnopharmacology

Cutaneous leishmaniasis

1. The Journal of parasitology

Dysentery

1. Journal of ethnopharmacology

Preparations

Dorstenia contrajerva has 1 reported preparations identified across 0 scientific publications and several other databases. The most consistently reported preparations include Methanolic extracts.

Methanolic extracts

1. Journal of ethnopharmacology